Revision: 22691
Author: [email protected]
Date: Wed Jul 30 06:46:25 2014 UTC
Log: X87: Inline Math.fround in optimized code.
port r22665.
original commit message:
Inline Math.fround in optimized code.
BUG=
[email protected]
Review URL: https://codereview.chromium.org/429143003
Patch from Chunyang Dai <[email protected]>.
http://code.google.com/p/v8/source/detail?r=22691
Modified:
/branches/bleeding_edge/src/x87/lithium-codegen-x87.cc
/branches/bleeding_edge/src/x87/lithium-x87.cc
/branches/bleeding_edge/src/x87/lithium-x87.h
=======================================
--- /branches/bleeding_edge/src/x87/lithium-codegen-x87.cc Thu Jul 24
09:11:59 2014 UTC
+++ /branches/bleeding_edge/src/x87/lithium-codegen-x87.cc Wed Jul 30
06:46:25 2014 UTC
@@ -3732,6 +3732,10 @@
void LCodeGen::DoMathRound(LMathRound* instr) {
UNIMPLEMENTED();
}
+
+void LCodeGen::DoMathFround(LMathFround* instr) {
+ UNIMPLEMENTED();
+}
void LCodeGen::DoMathSqrt(LMathSqrt* instr) {
=======================================
--- /branches/bleeding_edge/src/x87/lithium-x87.cc Wed Jul 23 07:48:19 2014
UTC
+++ /branches/bleeding_edge/src/x87/lithium-x87.cc Wed Jul 30 06:46:25 2014
UTC
@@ -1148,6 +1148,7 @@
switch (instr->op()) {
case kMathFloor: return DoMathFloor(instr);
case kMathRound: return DoMathRound(instr);
+ case kMathFround: return DoMathFround(instr);
case kMathAbs: return DoMathAbs(instr);
case kMathLog: return DoMathLog(instr);
case kMathExp: return DoMathExp(instr);
@@ -1173,6 +1174,13 @@
UNREACHABLE();
return NULL;
}
+
+
+LInstruction* LChunkBuilder::DoMathFround(HUnaryMathOperation* instr) {
+ LOperand* input = UseRegisterAtStart(instr->value());
+ LMathFround* result = new (zone()) LMathFround(input);
+ return AssignEnvironment(DefineAsRegister(result));
+}
LInstruction* LChunkBuilder::DoMathAbs(HUnaryMathOperation* instr) {
=======================================
--- /branches/bleeding_edge/src/x87/lithium-x87.h Wed Jul 23 07:48:19 2014
UTC
+++ /branches/bleeding_edge/src/x87/lithium-x87.h Wed Jul 30 06:46:25 2014
UTC
@@ -112,6 +112,7 @@
V(MathClz32) \
V(MathExp) \
V(MathFloor) \
+ V(MathFround) \
V(MathLog) \
V(MathMinMax) \
V(MathPowHalf) \
@@ -873,6 +874,16 @@
};
+class LMathFround V8_FINAL : public LTemplateInstruction<1, 1, 0> {
+ public:
+ explicit LMathFround(LOperand* value) { inputs_[0] = value; }
+
+ LOperand* value() { return inputs_[0]; }
+
+ DECLARE_CONCRETE_INSTRUCTION(MathFround, "math-fround")
+};
+
+
class LMathAbs V8_FINAL : public LTemplateInstruction<1, 2, 0> {
public:
LMathAbs(LOperand* context, LOperand* value) {
@@ -2751,6 +2762,7 @@
LInstruction* DoMathFloor(HUnaryMathOperation* instr);
LInstruction* DoMathRound(HUnaryMathOperation* instr);
+ LInstruction* DoMathFround(HUnaryMathOperation* instr);
LInstruction* DoMathAbs(HUnaryMathOperation* instr);
LInstruction* DoMathLog(HUnaryMathOperation* instr);
LInstruction* DoMathExp(HUnaryMathOperation* instr);
--
--
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